Two terrorists were killed in a joint operation of intelligence agencies and the army in the Kolachi area of Dera Ismail Khan, 24NewsHD TV channel reported.
The operation was carried out on the night between April 15 and 16 on reports of the presence of terrorists.
The slain terrorists were identified as Khalil and Ehsan alias Deva. Khalil was an expert in making suicide jackets and improvised explosive devices. Two machine guns and four grenades were also recovered.
The killed were also involved in the April 11 killing of five policemen and attacks on polio teams.